Tower fan



FIG. 1 is an isometric view of the top, front and left side of the towerfan with my design;

FIG. 2 is an isometric view of the rear, top and right side thereof;

FIG. 3 is a front elevation view thereof;

FIG. 4 is a rear elevation view thereof;

FIG. 5 is a left side elevation view thereof;

FIG. 6 is a right side elevation view thereof;

FIG. 7 is a top plan view thereof; and,

FIG. 8 is a bottom plan view thereof.

The broken lines in the figures indicate parts of the tower fan whichare not part of the claimed design.

CLAIM The ornamental design for a tower fan, substantially as shown anddescribed.